NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Bubble sextant parts and calibration
From: Gary LaPook
Date: 2013 Dec 4, 23:15 -0800
From: Gary LaPook
Date: 2013 Dec 4, 23:15 -0800
See:
http://fer3.com/arc/m2.aspx/sextant-for-use-on-land--sep-2006-g1211
The small flanged bulbs type T-1 3/4 flanged bulbs come in several voltage ratings but they all put out about 12 watts.
Greenlee 327 28 volts
JKL 328 6 volts
Sylvania 330 14 volts
The larger bayonet mount bulbs, type T-3 1/4 bayonet bulbs also come in different voltages and power ratings.
JKL 313 28 volts 56 watts
JKL 1891 14 volts 36 watts
JKL 1892 14 volts 8 watts
JKL 1893 14 volts 49 watts
JKL 44 14 volts 17 watts
All are available for less than a buck each at :
http://www.onlinecomponents.com/keywordsearch.aspx?text=330
gl
From: Noell Wilson <noell_wilson@southwire.com>
To: garylapook@pacbell.net
Sent: Wednesday, December 4, 2013 10:54 AM
Subject: [NavList] Re: Bubble sextant parts and calibration
http://fer3.com/arc/m2.aspx/sextant-for-use-on-land--sep-2006-g1211
The small flanged bulbs type T-1 3/4 flanged bulbs come in several voltage ratings but they all put out about 12 watts.
Greenlee 327 28 volts
JKL 328 6 volts
Sylvania 330 14 volts
The larger bayonet mount bulbs, type T-3 1/4 bayonet bulbs also come in different voltages and power ratings.
JKL 313 28 volts 56 watts
JKL 1891 14 volts 36 watts
JKL 1892 14 volts 8 watts
JKL 1893 14 volts 49 watts
JKL 44 14 volts 17 watts
All are available for less than a buck each at :
http://www.onlinecomponents.com/keywordsearch.aspx?text=330
gl
From: Noell Wilson <noell_wilson@southwire.com>
To: garylapook@pacbell.net
Sent: Wednesday, December 4, 2013 10:54 AM
Subject: [NavList] Re: Bubble sextant parts and calibration
I found a bulb and considered it for a MK IX but Bill Morris (I think) said he thought it would be too dim. I later got the installed bulbs working and never went any further.
There is a photo of the bulb and there may be a coiled filament wire. I can't tell for sure.
There is a photo of the bulb and there may be a coiled filament wire. I can't tell for sure.
http://www.servicelighting.com/catalog_product.cfm?prod2=MB03250
Regards, Noell
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